Translate media player status strings.

Signed-off-by: Peter Tworek <tworaz666@gmail.com>
Fix some small bugs in new video player code

Good night rest helps finding bugs like these.

Signed-off-by: Peter Tworek <tworaz666@gmail.com>
VideoPlayer: Disable screen blanking when video is playing

Old nokia mce API from N900 seems to still work on Jolla phone. I don't
know if this is the official way to prevent screen blanking. It's the
only method which seems to actully work.

Signed-off-by: Peter Tworek <tworaz666@gmail.com>
Implement video player cover and add support for background video  playback

Signed-off-by: Peter Tworek <tworaz666@gmail.com>
Change default text formatting of short time durations

Signed-off-by: Peter Tworek <tworaz666@gmail.com>